<!DOCTYPE html>
<html lang="en" xmlns:th="www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/web/thymeleaf/layout" layout:decorate="demo/fragment">
<head>
    <meta charset="UTF-8">
    <title>test</title>
</head>
<body>
<div layout:fragment="content">
    <h2>Test页面(页面类容)</h2>
</div>
</body>
</html>